diff --git a/pytiled_parser/common_types.py b/pytiled_parser/common_types.py
index 95c7196..9d88004 100644
--- a/pytiled_parser/common_types.py
+++ b/pytiled_parser/common_types.py
@@ -19,7 +19,7 @@ class Size(NamedTuple):
 
     Attributes:
         width: The width of the object.
-        size: The height of the object.
+        height: The height of the object.
     """
 
     width: Union[int, float]
diff --git a/tests/test_data/simple_objects.json b/tests/test_data/simple_objects.json
index 9e01620..df9342e 100644
--- a/tests/test_data/simple_objects.json
+++ b/tests/test_data/simple_objects.json
@@ -67,7 +67,7 @@
                  "name":"name:  rectangle - invisible",
                  "rotation":0,
                  "type":"rectangle",
-                 "visible":true,
+                 "visible":false,
                  "width":30.9923837671934,
                  "x":163.910424008185,
                  "y":91.0128452881664
@@ -102,7 +102,7 @@
                  "name":"name: ellipse - invisible",
                  "rotation":0,
                  "type":"ellipse",
-                 "visible":true,
+                 "visible":false,
                  "width":6.32943048766625,
                  "x":22.6986472661134,
                  "y":53.9092872570194